Added dmg_by_event output [skip hazardlib]
Added dmg_by_event output [skip hazardlib]


Former-commit-id: c575d8f185a45a1dbcd012e3b70f80d7bead1d28 [formerly c575d8f185a45a1dbcd012e3b70f80d7bead1d28 [formerly d3076d25494947295c806a001dc7596a9ffef991]]
Former-commit-id: 761dca3f358975f3f70237764ee5de445a8ad6ed
Former-commit-id: 5c606642360cbaa69f54e7eaaf7b788143378953
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine